Serial Eeprom, 1Kbit, 2Mhz, Soic-8; Memory Configuration:64 X 16Bit; Interfaces:Microwire; Clock Frequency Max:2Mhz; Ic Case/Package:Soic; No. Of Pins:8Pins; Supply Voltage Min:2.5V; Supply Voltage Max:5.5V; Msl:Msl 1 – Unlimited Rohs Compliant: Yes |Microchip 93LC46B/SN

93LC46B/SN – 1Kbit Serial EEPROM – Microchip Technology

The 93LC46B/SN from Microchip Technology is a reliable 1Kbit serial EEPROM memory IC designed for non-volatile data storage in a wide range of electronic applications. Featuring a compact SOIC-8 package and flexible voltage operation, it provides an efficient solution for storing configuration parameters, calibration data, and other critical information. PCX supplies this component with fast shipping and dedicated customer support to ensure your projects proceed without delay.

Key Features

• Memory Size: 1Kbit organized as 64 x 16
• Interface: Microwire (3-wire serial)
• Clock Frequency: Up to 2MHz
• Voltage Range: 2.5V to 5.5V
• Operating Temperature: 0°C to 70°C
• Package: 8-SOIC, surface mount
• Write Cycle Time: 6ms (word or page)
• RoHS Compliant: Yes

Technical Details

The 93LC46B/SN utilizes a serial Microwire interface for straightforward integration with microcontrollers and other digital systems. It operates across a broad voltage range, making it suitable for both 3.3V and 5V systems. With an endurance of at least 1,000,000 erase/write cycles and data retention of over 200 years, this EEPROM offers long-term reliability. The device is supplied in tube packaging for secure handling and assembly.

Applications

• Consumer electronics
• Industrial automation systems
• Automotive modules
• Medical devices
• Telecommunications equipment

About the Manufacturer

Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Known for its commitment to quality and innovation, Microchip has built a reputation for producing reliable, high-performance semiconductor products that serve a broad range of industries worldwide.

The company’s extensive product portfolio and focus on technical excellence make it a trusted partner for engineers and designers. Microchip’s components are widely recognized for their durability, performance, and compliance with international standards, ensuring they meet the rigorous demands of modern electronic applications.

About Serial EEPROM

Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) is a type of non-volatile memory used for storing small amounts of data that must be retained when power is removed. Unlike parallel EEPROMs, serial versions use a simple interface (often I²C, SPI, or Microwire) that requires fewer pins, making them ideal for space-constrained designs.

These devices are commonly used to store system parameters, calibration data, user settings, and other information that may need occasional updates. Their byte-level alterability, low power consumption, and high reliability make them a versatile choice across consumer, industrial, automotive, and medical applications.

Packaging Options

This product is available in tube packaging. For specific packaging requirements or high-volume orders, please contact PCX customer support for assistance.

Frequently Asked Questions

Question: What is the difference between the 93LC46B and other variants in the series?

Answer: The “B” version supports both word and page write operations and has a wider voltage range (2.5V-5.5V) compared to some earlier versions.

Question: Is this EEPROM compatible with 3.3V systems?

Answer: Yes, it operates from 2.5V to 5.5V, making it suitable for both 3.3V and 5V applications.

Question: What is the maximum number of write cycles?

Answer: This device supports a minimum of 1,000,000 erase/write cycles per byte.

Question: Does PCX provide datasheets for this component?

Answer: Yes, the datasheet is available for download on the product page at PCXCo.com.

Question: Is the 93LC46B/SN RoHS compliant?

Answer: Yes, this component is fully RoHS compliant.

Question: Can this EEPROM be used in automotive applications?

Answer: While it operates in a commercial temperature range (0°C to 70°C), it may be suitable for certain automotive modules; always verify against your specific requirements.

Product image is representational. Please refer to the datasheet for exact dimensions and specifications.

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